/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import Ember from 'ember';
import Column from '../models/column';

export default Ember.Component.extend({
  columns: [],
  editMode: false,
  shouldAddBuckets: null,

  clusteredColumnObserver: Ember.observer('columns.@each.isClustered', function(sender, key, value, rev) {
    let clusteredColumns = this.get('columns').filterBy('isClustered');
    if (clusteredColumns.length > 0) {
      this.set('shouldAddBuckets', true);
    } else {
      if(!Ember.isEmpty(this.get('shouldAddBuckets'))) {
        this.set('shouldAddBuckets', false);
      }

    }
  }),

  actions: {
    addNewColumn() {
      let newEmptyColumn = Column.create({editing: true, newColumn: true});
      this.get('columns').pushObject(newEmptyColumn);
    },

    columnDeleted(column) {
      this.get('columns').removeObject(column);
    },

    columnUpdated() {

    }
  }
});
